It's clearly a font but I don't know what font (it exist many many handwroten fonts).
You can find some font with a look very close here :
http://www.dafont.com/theme.php?cat=603&page=1&fpp=50&text=does%27t+make+the+world Waaaa !!!
Congratulation Rocamaco !
Thanks Menhir, you're very kindly...
All times are CEST. The time is now 18:33